XML 63 R51.htm IDEA: XBRL DOCUMENT v3.21.2
Segment and Geographic Information - Schedule Of Long-Lived Assets By Geographical Area (Details) - USD ($)
$ in Thousands
Jun. 30, 2021
Dec. 31, 2020
Segment Reporting Information [Line Items]    
Long-lived assets $ 44,042 $ 41,065
United States    
Segment Reporting Information [Line Items]    
Long-lived assets 43,519 40,500
China    
Segment Reporting Information [Line Items]    
Long-lived assets $ 523 $ 565